CN211960144U - Feeding device for feed harvester and harvester - Google Patents

Abstract

The utility model relates to a feeding device for a feed harvester, which comprises a frame, wherein an upper driving motor and a lower driving motor are arranged on one side of the frame as power input mechanisms, and a driving gear box and a chain wheel box are arranged on the other side of the frame as transmission mechanisms; the upper driving motor is in transmission connection with the driving gear box through a transmission shaft, and the driving gear box transmits power to the front upper feeding roller and the rear upper feeding roller; the power output end of the lower driving motor is fixedly connected with the rear lower feeding roller in a coaxial line mode, the rear lower feeding roller is in transmission connection with the chain wheel box, and power is transmitted to the front lower feeding roller through the chain wheel box. The device has simplified the mechanical transmission structure of the feeding mechanism of current fodder harvester, through setting up the drive of double motor, sets up power input end and drive mechanism respectively in the device both sides, convenient maintenance to can realize the infinitely variable control of dissection length through this method.

Description

Feeding device for feed harvester and harvester

Technical Field

The utility model relates to an agricultural machine device field, especially a feeding device and harvester for fodder harvester.

Background

With the continuous development of animal husbandry, more and more farmlands are prepared for planting silage, and a large-area planting mode determines that harvesting operation can be completed within a specified period by adopting mechanized operation during harvesting; the self-propelled silage harvester is specially used for harvesting silage, generally comprises a header, a feeding mechanism, a chopping mechanism, a throwing mechanism, an engine, a traveling device and the like, and the operation flow mainly comprises the following steps: firstly, cutting crops by a header, then feeding the crops into a chopping mechanism through a feeding mechanism, chopping the crops in the chopping mechanism through a cutter in the mechanism, and then feeding the segmented crops into a receiving vehicle through a throwing mechanism to finish the harvest of silage.

At present, most of feeding mechanisms of silage harvesters adopt mechanical transmission, the transmission between rollers mainly adopts chain transmission, the structure is complex, the failure is easy to occur, the transmission power is also lost, and the maintenance of the whole device is very inconvenient when the failure occurs.

Disclosure of Invention

The utility model aims to solve the technical problem that a feeding device for feed harvester is provided, its transmission structure who has simplified feeding device improves transmission efficiency, reduces feeding device fault rate.

In order to solve the technical problem, the utility model discloses a realize according to following mode: the utility model relates to a feeding device for a feed harvester, which comprises a frame, wherein an upper driving motor and a lower driving motor are arranged on one side of the frame as power input mechanisms, and a driving gear box and a chain wheel box are arranged on the other side of the frame as transmission mechanisms; the front upper feeding roller and the front lower feeding roller are transversely arranged in front of the frame, and a feeding port is formed between the front upper feeding roller and the front lower feeding roller; the upper rear feeding roller and the lower rear feeding roller are transversely arranged behind the rack, and a material outlet is formed between the upper rear feeding roller and the lower rear feeding roller; the upper driving motor is in transmission connection with the driving gear box through a transmission shaft, and the driving gear box transmits power to the front upper feeding roller and the rear upper feeding roller; the power output end of the lower driving motor is fixedly connected with the rear lower feeding roller in a coaxial line mode, the rear lower feeding roller is in transmission connection with the chain wheel box, and power is transmitted to the front lower feeding roller through the chain wheel box.

The front upper feeding roller is arranged above the front lower feeding roller, the front lower feeding roller and the rack form relative fixed rotary connection, the front upper feeding roller and the rack form relative unfixed rotary connection, the front upper feeding roller and the front lower feeding roller rotate relatively to send materials into the feeding port, and the opening width of the feeding port floats; the rear upper feeding roller is arranged above the rear lower feeding roller, the rear lower feeding roller and the rack form a rotary connection with a fixed relative position, the rear upper feeding roller and the rack form a rotary connection with a non-fixed relative position, the rear upper feeding roller and the rear lower feeding roller rotate relatively to send a material out of the material outlet, and the opening width of the material outlet floats.

The end part of the floating support arm is rotationally connected with the rear end of the frame through an upper feeding roller hinged joint; the front upper feeding roller is fixed with the floating support arm through a front upper feeding roller shaft arranged at the center of the front upper feeding roller and is in rotary connection with the floating support arm; the rear upper feeding roller is fixed with the floating support arm through a rear upper feeding roller shaft arranged at the center of the rear upper feeding roller and is in rotary connection with the floating support arm; the end part of one end of the floating support arm, which is far away from the hinge connection point of the upper feeding roller, is connected with a floating tension spring b, the middle part of the floating support arm is connected with a floating tension spring a, and the other ends of the floating tension spring b and the floating tension spring a are hung on the rack; the driving gear box is fixedly connected with a gear box support arm, and the gear box support arm is rotationally connected with the rear end of the rack through an upper feeding roller hinged connection point; the front upper feeding roll shaft of the front upper feeding roll and the rear upper feeding roll shaft of the rear upper feeding roll are in transmission connection with the driving gear box respectively; the end part of one end of the driving gear box, which is far away from the hinge connection point of the upper feeding roller, is connected with a floating tension spring b, the middle part of the driving gear box is connected with a floating tension spring a, and the other ends of the floating tension spring b and the floating tension spring a are hung on the rack.

The floating support arm is fixedly connected with rubber support blocks close to the lower portions of the front upper feeding roll shaft and the rear upper feeding roll shaft, a stop block is connected to the position, corresponding to the rubber support blocks, of the rack, and the rubber support blocks can be reliably connected to the stop block to limit the front upper feeding roll and the rear upper feeding roll.

The upper end of the driving gear box is hinged with a buffer cylinder, and the other end of the buffer cylinder is hinged with a hinged joint of the upper feeding roller.

The upper driving motor and the lower driving motor are connected with the variable pump through pipelines, oil passages of the upper driving motor and the lower driving motor are arranged in series, and the rotating directions are opposite during working; the flow of the variable pump is controlled by a controller, the rotating speeds of the upper driving motor and the lower driving motor are regulated and controlled by controlling the flow of the variable pump, the rotating speed changes of the upper driving motor and the lower driving motor can control the rotating speed changes of the upper front feeding roller, the upper rear feeding roller, the lower front feeding roller and the lower rear feeding roller, the rotating speed changes of the upper front feeding roller, the upper rear feeding roller, the lower front feeding roller and the lower rear feeding roller are used for realizing the speed change of the fed materials, and the inorganic adjustment of the cutting length can be realized by the change of the conveying speed of the chopping mechanism behind the materials; the electromagnetic valves are connected in series on pipelines connected with the upper driving motor, the lower driving motor and the variable pump, and are used for changing the flow direction of hydraulic oil entering the upper driving motor and the lower driving motor; the steering control of the upper driving motor and the lower driving motor respectively drives the front upper feeding roller, the rear upper feeding roller, the front lower feeding roller and the rear lower feeding roller to change in steering, so that the process of feeding the feed or spitting the feed can be realized.

The utility model discloses an actively the effect: the feeding device for the feed harvester simplifies the mechanical transmission structure of the feeding mechanism of the existing feed harvester, and the power input end and the transmission mechanism are respectively arranged on the two sides of the device by arranging the double-motor drive, so that the feeding device is convenient to maintain, and the stepless adjustment of the cutting length can be realized by the method; simultaneously the fodder harvester results in the condition that can meet feeding device jam at the results in-process, and when current fodder harvester's feeding case caused the jam, the feeding case need be opened, just can continue work after will feeding the case clearance, the utility model discloses well accessible double motor drive feeding roller reverses fast to the realization is to the reverse of feeding fodder and is told, has simplified the maintenance process of harvester.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is a schematic structural diagram of the present invention;

fig. 4 is a schematic structural diagram of the present invention;

fig. 5 is a schematic structural diagram of the present invention.

In the figure, 1 machine frame, 2 front upper feeding rollers, 3 front lower feeding rollers, 4 driving gear boxes, 5 sprocket boxes, 6 buffer cylinders, 7 gear box support arms, 8 floating tension springs a, 9 floating tension springs b, 10 transmission shafts, 11 floating support arms, 12 upper driving motors, 13 lower driving motors, 14 upper feeding roller hinged connection points, 15 rubber support blocks, 16 rear upper feeding roller shafts, 17 front upper feeding roller shafts, 18 rear upper feeding rollers, 19 rear lower feeding rollers and 20 buffer cylinder floating supporting points.

Detailed Description

As shown in fig. 1 to 5, as a specific embodiment, the feeding device for a fodder harvester of the present invention includes a frame 1, an upper driving motor 12 and a lower driving motor 13 as power input mechanisms disposed on one side of the frame 1, and a driving gear box 4 and a sprocket box 5 as transmission mechanisms disposed on the other side of the frame 1.

The front upper feeding roller 2 and the front lower feeding roller 3 are transversely arranged in front of the frame 1, and a feeding port is formed between the front upper feeding roller and the front lower feeding roller; the front upper feeding roller 2 is arranged above the front lower feeding roller 3, the front lower feeding roller 3 and the rack 1 form relative fixed rotary connection, the front upper feeding roller 2 and the rack 1 form relative unfixed rotary connection, the front upper feeding roller 2 and the front lower feeding roller 3 rotate relatively to send materials into the feeding port, and the opening width of the feeding port floats; the upper rear feeding roller 18 and the lower rear feeding roller 19 are transversely arranged at the rear of the frame 1, and a material outlet is formed between the upper rear feeding roller and the lower rear feeding roller; the rear upper feeding roller 18 is arranged above the rear lower feeding roller 19, the rear lower feeding roller 19 and the rack 1 form relative fixed rotary connection, the rear upper feeding roller 18 and the rack 1 form relative unfixed rotary connection, the rear upper feeding roller 18 and the rear lower feeding roller 19 rotate relatively to send materials out of a material outlet, and the opening width of the material outlet floats. The upper end hinge of drive tooth case 4 is connected with buffer cylinder 6, and the other end hinge of buffer cylinder 6 is connected on last feeding roller hinge joint 14, and buffer cylinder 6 is used for the damping control to the preceding feeding roller 17 of going up that drive tooth case 4 connects, the process of floating from top to bottom of back feeding roller 16, and the material through the feed inlet is changing ceaselessly in the results in-process, through setting up buffer cylinder 6, can be so that be in the unsteady state preceding feeding roller 2, the last feeding roller 18 of back change gently.

The upper driving motor 12 is in transmission connection with the driving gear box 4 through a transmission shaft 10, and the driving gear box 4 transmits power to the front upper feeding roller 2 and the rear upper feeding roller 18; the power output end of the lower driving motor 13 is coaxially and fixedly connected with the rear lower feeding roller 19, the rear lower feeding roller 19 is in transmission connection with the chain wheel box 5, and power is transmitted to the front lower feeding roller 3 through the chain wheel box 5.

A floating support arm 11 is arranged on the rack 1 at the same side of the upper driving motor 12 and the lower driving motor 13, and the end part of the floating support arm 11 is rotationally connected with the rear end of the rack 1 through an upper feeding roller hinge joint 14; the front upper feeding roller 2 is fixed with the floating support arm 11 through a front upper feeding roller shaft 17 arranged at the center of the front upper feeding roller and is in rotary connection with the floating support arm; the rear upper feeding roller 18 is fixed with the floating support arm 11 through a rear upper feeding roller shaft 16 arranged at the center of the rear upper feeding roller and is in rotary connection with the floating support arm; the end part of one end of the floating support arm 11, which is far away from the upper feeding roller hinge joint 14, is connected with a floating tension spring b9, the middle part of the floating support arm 11 is connected with a floating tension spring a8, and the other ends of the floating tension spring b9 and the floating tension spring a8 are hung on the frame 1; the driving gear box 4 is fixedly connected with a gear box support arm 7, and the gear box support arm 7 is rotatably connected with the rear end of the rack 1 through an upper feeding roller hinged connection point 14; a front upper feeding roll shaft 17 of the front upper feeding roll 2 and a rear upper feeding roll shaft 16 of the rear upper feeding roll 18 are in transmission connection with the driving gear box 4 respectively; the end part of one end of the driving gear box 4 far away from the hinge joint 14 of the upper feeding roller is connected with a floating tension spring b9, the middle part of the driving gear box 4 is connected with a floating tension spring a8, and the other ends of the floating tension spring b9 and the floating tension spring a8 are hung on the machine frame 1.

The floating support arm 11 is fixedly connected with rubber support blocks 15 below the front upper feeding roll shaft 2 and the rear upper feeding roll shaft 18, a stop block is connected to the position, corresponding to the rubber support blocks 15, of the rack 1, and the rubber support blocks 15 can be reliably connected to the stop block to limit the front upper feeding roll 2 and the rear upper feeding roll 18.

The upper driving motor 12 and the lower driving motor 13 are connected with the variable displacement pump through pipelines, oil passages of the upper driving motor 12 and the lower driving motor 13 are arranged in series, and the rotating directions are opposite during working; the flow of the variable pump is controlled by a controller, the rotating speeds of the upper driving motor 12 and the lower driving motor 13 are regulated and controlled by controlling the flow of the variable pump, the rotating speeds of the upper driving motor 12 and the lower driving motor 13 can be changed to control the rotating speeds of the front upper feeding roller 2, the rear upper feeding roller 18, the front lower feeding roller 3 and the rear lower feeding roller 19, the speed of the fed materials is changed by the rotating speeds of the front upper feeding roller 2, the rear upper feeding roller 18, the front lower feeding roller 3 and the rear lower feeding roller 19, and the change of the conveying speed of a chopping mechanism behind the materials can realize the inorganic adjustment of the cutting length; the electromagnetic valves are connected in series on the pipelines connected with the upper driving motor 12, the lower driving motor 13 and the variable displacement pump, and are used for changing the flow direction of hydraulic oil entering the upper driving motor 12 and the lower driving motor 13; the steering control of the upper driving motor 12 and the lower driving motor 13, the steering of the front upper feeding roller 2, the rear upper feeding roller 18, the front lower feeding roller 3 and the rear lower feeding roller 19 which are respectively driven by the upper driving motor and the lower driving motor are changed, and the process of feeding the feed or spitting the feed can be realized.

The utility model discloses a work flow does:

the utility model relates to a feeding device for a feed harvester, which is used on a silage harvester and is positioned behind a cutting table of the feed harvester, silage enters the feeding device after being cut off by the cutting table, and the silage is conveyed to a chopping device arranged behind the feeding device for chopping; the feeding device is controlled by a controller in a cab, the controller controls the flow output by the variable pump, so that the control of the rotating speed of the upper driving motor and the lower driving motor is realized, and the upper driving motor and the lower driving motor are arranged in series, so that synchronous rotation is realized; when the length of the cut feed needs to be adjusted to be shortened, the rotating speeds of the front upper feeding roller, the rear upper feeding roller, the front lower feeding roller and the rear lower feeding roller need to be reduced, the conveying speed of the material to a rear chopping mechanism is reduced, so that the speed of the material entering the chopping device is also reduced, and under the condition that the rotating speed of the chopping device is not changed, the times of chopping the material are increased, so that the material is cut to be shorter; when the length of the cut section of the feed needs to be adjusted to be longer, the operation is just opposite. Because the hydraulic drive motor can realize stepless speed regulation, stepless regulation can be realized for regulating the cutting length of the feed harvester, and the application range of the feed harvester is wider.

The above embodiments are intended to clearly and completely describe the technical solutions with reference to the accompanying drawings, and only illustrate some functional and structural principles of the feeding device for a forage harvester, and since it is easy for those skilled in the same technical field to make a plurality of modifications on this basis, the present specification does not limit the feeding device for a forage harvester of the present invention to the specific mechanisms and application ranges shown or described, so that all the modifications and equivalents that may be utilized belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (7)

1. A feeding device for a feed harvester is characterized in that: the device comprises a rack, wherein an upper driving motor and a lower driving motor are used as power input mechanisms and are arranged on one side of the rack, and a driving gear box and a chain wheel box are used as transmission mechanisms and are arranged on the other side of the rack; the front upper feeding roller and the front lower feeding roller are transversely arranged in front of the frame, and a feeding port is formed between the front upper feeding roller and the front lower feeding roller; the upper rear feeding roller and the lower rear feeding roller are transversely arranged behind the rack, and a material outlet is formed between the upper rear feeding roller and the lower rear feeding roller; the upper driving motor is in transmission connection with the driving gear box through a transmission shaft, and the driving gear box transmits power to the front upper feeding roller and the rear upper feeding roller; the power output end of the lower driving motor is fixedly connected with the rear lower feeding roller in a coaxial line mode, the rear lower feeding roller is in transmission connection with the chain wheel box, and power is transmitted to the front lower feeding roller through the chain wheel box.

2. The feeding device for the feed harvester according to claim 1, wherein: the front upper feeding roller is arranged above the front lower feeding roller, the front lower feeding roller and the rack form relative fixed rotary connection, the front upper feeding roller and the rack form relative unfixed rotary connection, the front upper feeding roller and the front lower feeding roller rotate relatively to send materials into the feeding port, and the opening width of the feeding port floats; the rear upper feeding roller is arranged above the rear lower feeding roller, the rear lower feeding roller and the rack form a rotary connection with a fixed relative position, the rear upper feeding roller and the rack form a rotary connection with a non-fixed relative position, the rear upper feeding roller and the rear lower feeding roller rotate relatively to send a material out of the material outlet, and the opening width of the material outlet floats.

3. The feeding device for the feed harvester according to claim 2, wherein: the end part of the floating support arm is rotationally connected with the rear end of the frame through an upper feeding roller hinged joint; the front upper feeding roller is fixed with the floating support arm through a front upper feeding roller shaft arranged at the center of the front upper feeding roller and is in rotary connection with the floating support arm; the rear upper feeding roller is fixed with the floating support arm through a rear upper feeding roller shaft arranged at the center of the rear upper feeding roller and is in rotary connection with the floating support arm; the end part of one end of the floating support arm, which is far away from the hinge connection point of the upper feeding roller, is connected with a floating tension spring b, the middle part of the floating support arm is connected with a floating tension spring a, and the other ends of the floating tension spring b and the floating tension spring a are hung on the rack; the driving gear box is fixedly connected with a gear box support arm, and the gear box support arm is rotationally connected with the rear end of the rack through an upper feeding roller hinged connection point; the front upper feeding roll shaft of the front upper feeding roll and the rear upper feeding roll shaft of the rear upper feeding roll are in transmission connection with the driving gear box respectively; the end part of one end of the driving gear box, which is far away from the hinge connection point of the upper feeding roller, is connected with a floating tension spring b, the middle part of the driving gear box is connected with a floating tension spring a, and the other ends of the floating tension spring b and the floating tension spring a are hung on the rack.

4. The feeding device for the feed harvester according to claim 3, wherein: the floating support arm is fixedly connected with rubber support blocks close to the lower portions of the front upper feeding roll shaft and the rear upper feeding roll shaft, a stop block is connected to the position, corresponding to the rubber support blocks, of the rack, and the rubber support blocks can be reliably connected to the stop block to limit the front upper feeding roll and the rear upper feeding roll.

5. The feeding device for the feed harvester according to claim 1, wherein: the upper end of the driving gear box is hinged with a buffer cylinder, and the other end of the buffer cylinder is hinged with a hinged joint of the upper feeding roller.

6. The feeding device for the feed harvester according to claim 1, wherein: the upper driving motor and the lower driving motor are connected with the variable pump through pipelines, oil passages of the upper driving motor and the lower driving motor are arranged in series, and the rotating directions are opposite during working; the flow of the variable pump is controlled by a controller, the rotating speeds of the upper driving motor and the lower driving motor are regulated and controlled by controlling the flow of the variable pump, the rotating speed changes of the upper driving motor and the lower driving motor can control the rotating speed changes of the upper front feeding roller, the upper rear feeding roller, the lower front feeding roller and the lower rear feeding roller, the rotating speed changes of the upper front feeding roller, the upper rear feeding roller, the lower front feeding roller and the lower rear feeding roller are used for realizing the speed change of the fed materials, and the inorganic adjustment of the cutting length can be realized by the change of the conveying speed of the chopping mechanism behind the materials; the pipeline connecting the upper driving motor, the lower driving motor and the variable pump is connected with an electromagnetic valve in series, and the electromagnetic valve is used for changing the flow direction of hydraulic oil entering the upper driving motor and the lower driving motor; the steering control of the upper driving motor and the lower driving motor respectively drives the front upper feeding roller, the rear upper feeding roller, the front lower feeding roller and the rear lower feeding roller to change in steering, so that the process of feeding the feed or spitting the feed can be realized.

7. A feed harvester, characterized by comprising a harvester body and the feeding device for the feed harvester of any one of claims 1 to 6, wherein the feeding device for the feed harvester is arranged on the harvester body.

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